1222828 has 12 divisors (see below), whose sum is σ = 2148552. Its totient is φ = 608960.

The previous prime is 1222811. The next prime is 1222829. The reversal of 1222828 is 8282221.

1222828 is nontrivially palindromic in base 8.

It is not an unprimeable number, because it can be changed into a prime (1222829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948 + ... + 1828.

It is an arithmetic number, because the mean of its divisors is an integer number (179046).

2^1222828 is an apocalyptic number.

It is an amenable number.

1222828 is a deficient number, since it is larger than the sum of its proper divisors (925724).

1222828 is a wasteful number, since it uses less digits than its factorization.

1222828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1230 counting only the distinct ones).

The product of its digits is 1024, while the sum is 25.

The square root of 1222828 is about 1105.8155361542. The cubic root of 1222828 is about 106.9354722007.

The spelling of 1222828 in words is "one million, two hundred twenty-two thousand, eight hundred twenty-eight".